1279, Yuan Shizu conquered and destroyed China in the Southern Song Dynasty. According to the records in the Atlas of Chinese History, Handi, Monan, Mobei, Northeast (including Outer Manchuria and Sakhalin Island), Dongjiang (according to Tarim Basin, it reached Qingji in the west in the early Yuan Dynasty), Qinghai-Tibet Plateau, Penghu Islands, Jeju Island and South China Sea Islands were all within the jurisdiction of the Yuan Dynasty.
After the Southern Song Dynasty, although there were many conflicts with Japan, Myanmar, Annan, Java and other countries, the territory generally tended to be stable. 13 10 During the Yuan Wuzong period, the Wokuotai khanate was divided between the Yuan Dynasty and the Chahetai khanate, and the Yuan Dynasty acquired the Moxi territory of the Wokuotai khanate, with a land area of13.72 million square kilometers (the northern Xinjiang is bounded by 55 north latitude). If the northern Xinjiang extends to the Arctic Ocean, it will be 22.67 million square kilometers.
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The vassal of the yuan dynasty
The vassal states of the Yuan Dynasty were Korea, Myanmar, Annan, Zhancheng and the four great khanates. Among them, there are two directly subordinate vassal States, namely, the Koryo Dynasty and the Bagan Dynasty in Myanmar, which are divided into the eastbound province and the central province in Myanmar. In northwest China, 1268, the Wokuotai Khanate Haidu attempted to recapture the Khanate, and joined hands with Qincha Khanate and Chahetai Khanate to fight against the Yuan Dynasty, which was known as the Haidu Rebellion.
Until 1304 Yuan Chengzong period, the Yuan court reached a peace agreement with the Three Great Khan States, and together with the Yili Khan State, it recognized the suzerain status of the Yuan Dynasty and became a vassal state of the Yuan Dynasty. In addition, Yuan Chengzong also gave the monarch of Ilihan a Chinese seal, such as "The True Emperor and the Treasure of Wan Yi", which essentially recognized its independence.
During the Yuan Wuzong period of 13 10, the Yuan Dynasty and the Chahetai khanate jointly attacked and wiped out the Wokuotai khanate. During Yuan Wenzong's reign, when compiling the Grand Ceremony of Shi Jing, Qincha khanate, Chahetai khanate and Yili khanate were listed as vassal states of the Yuan Dynasty.
Baidu Encyclopedia-Yuan Dynasty